The Astrum ET310 TWS Earbuds deliver powerful sound and modern convenience in a compact, ultra-portable design. Equipped with Bluetooth 5.3, these earbuds offer instant and stable connectivity, while the 13mm dynamic drivers produce crisp highs and deep bass for an immersive listening experience. Designed for comfort and durability, the angled in-ear fit and soft rubber ear tips ensure secure placement during workouts or long listening sessions. With an IP53 rating, the ET310s are splash- and dust-resistant perfect for active lifestyles. Enjoy hands-free calls with the HD dual microphone and manage playback or calls effortlessly using touch control technology. With support for Siri and Google Assistant, voice commands are just a tap away. The long-lasting battery delivers up to 20 hours of playtime and 200 hours standby, making these earbuds a reliable companion for your day. Key Features 🎧 Bluetooth 5.3 – Fast, stable wireless connection 🔊 13mm Dynamic Drivers – Rich bass and crisp treble 🎙️ HD Dual Microphone – Clear voice calls and voice assistant support 💧 IP53 Splash & Dust Resistance – Built for workouts and outdoor use 🧠 Touch Control Interface – Easy access to music and calls 📱 Voice Assistant Support – Compatible with Siri and Google Assistant 🔋 Up to 20 Hours Playtime – Extended battery life for all-day use 🔌 USB Type-C Charging – Fast and convenient power-up 🕒 12-Month Manufacturer Warranty – Reliable long-term performance Technical Specifications Feature Details SKU A10531-B Product Code ET310 Bluetooth Version 5.3 Supported Profiles HFP, A2DP, AVRCP, HSP Audio Decoding SBC, AAC, aptX Driver Size 13mm Dynamic Impedance 16Ω Frequency Response 50Hz – 20KHz Signal-to-Noise Ratio ≥90dB Connectivity Range Up to 10 meters Charging Port USB Type-C Play Time Up to 20 hours Standby Time Up to 200 hours Dimensions (L × W × H) 49 × 49 × 27 mm Net Weight Approx. 34g Water Resistance IP53 Warranty 12 Months Limited Manufacturer Warranty What’s Included 1 × Pair of Astrum ET310 TWS Earbuds – Black 1 × Charging Case 1 × USB Type-C Charging Cable 1 × User Manual Ideal Use Cases 🏃‍♂️ Workout-ready earbuds with splash resistance and secure fit 📞 Clear calls and voice assistant access on the go 🎶 Immersive music experience with deep bass and crisp highs 🧳 Travel-friendly design with long battery life and compact form